For Windows XP/Vista, Firmware Version 0.7

  1. If the Lego Mindstorm software is not yet installed: Download NXT Driver from http://mindstorms.lego.com/support/updates
    and run setup.exe

  2. Reset the NXT brick: Press the small button at the bottom of the hole under the USB connector for at least 10 s. A gentle periodical click is emitted

  3. Connect the NXT brick via USB. The new device should be recognized and successfully installed

  4. Download lejos_NXJ_win32_0_7_0beta.zip from http://lejos.sourceforge.net and unpack it in any folder

  5. Define an environment variable NXJ_HOME that points to the folder where resides README.html

  6. Go to the subfolder bin and execute nxjflash.exe

If you have a problem or merely a question, send an e-mail to